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This course covers topics including trigonometric functions (with graphs and inverse functions), identities and equations, solutions of triangles, complex numbers and more.

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Chapter 4, Problem 5.39

Simplify each expression.
±√[(1 + cos 18x)/2]

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Chapter 4, Problem 5.39

Simplify each expression.±√[(1 + cos 18x)/2]

Simplify each expression.
±√[(1 + cos 18x)/2]